Real Life Application of Xenon: A Critical Review

Chhandak, Arvind Kumar; Israni, Rekha; Trivedi, A.

doi:10.20546/ijcmas.2017.609.253

Cited by 1 publication

(5 citation statements)

References 32 publications

(22 reference statements)

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“…Figure 10 illustrates the dependencies of the differential heats of xenon adsorption in the SiC-AC adsorbent, qst = f(a) (a) and qd = f(a) (b), within a wide range of temperatures, calculated from Equations ( 8) and (10) using the isotherms, isosteres of xenon adsorption (Figure 9), data on the adsorption-and temperature-induced deformations (Figures 6 and 7), and the handbook data on xenon compressibility, which varied from 0.59 to 1.0 [107]. 6), and 393 (7). Symbols indicate the data calculated from the Xe adsorption data using Equations ( 8) and ( 10), respectively.…”

Section: Differential Molar Heat Of Absolute Xe Adsorption On the Sic-ac Carbon Adsorbentmentioning

confidence: 99%

“…With an increase in the Xe pressure and, consequently, pore loading, the high-energy adsorption sites are entirely occupied, and the heat of adsorption is determined by the contribution from the adsorbate-adsorbate interactions. Thus, the variations of both quantities qst and qd with the value of Xe adsorption (Figure 10a,b) are caused by the transformation in the mechanism of the Xe adsorption process, from binding with the high-energy 6), and 393 (7). Symbols indicate the data calculated from the Xe adsorption data using Equations ( 8) and ( 10), respectively.…”

Section: Differential Molar Heat Of Absolute Xe Adsorption On the Sic-ac Carbon Adsorbentmentioning

confidence: 99%

“…Figure 12 represents the differential molar enthalpy of the Xe/SiC-AC adsorption system, h 1 , calculated according to the general formula [35]: 6), and 393 (7). Symbols indicate the data calculated from the Xe adsorption data using Equations ( 8) and ( 13); solid lines are the smoothing spline curves.…”

Section: Differential Molar Enthalpy Of Xe Adsorption On the Sic-ac Adsorbentmentioning

confidence: 99%

“…Xenon is a highly effective neuro-protector; it is considered to have ideal anesthetic properties due to a fast response and no relevant side effects [2]. Inert gases-in primis xenon-are used in modern ion thrusters for space travel, namely, for propellants to avoid the risk of explosions, which are incidental to chemical propulsion [7].…”

Section: Introductionmentioning

confidence: 99%

“…Figure 10. The differential isosteric molar heat of xenon adsorption q st (a) and differential molar heat of adsorption q d (b) versus the value of absolute Xe adsorption in the SiC-AC adsorbent at temperatures, K: 178 (1), 216 (2), 243 (3), 273 (4), 313 (5), 353 (6), and 393(7). Symbols indicate the data calculated from the Xe adsorption data using Equations (8) and (10), respectively.…”

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Peculiarities of Thermodynamic Behaviors of Xenon Adsorption on the Activated Carbon Prepared from Silicon Carbide

et al. 2021

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An activated carbon prepared from silicon carbide by thermochemical synthesis and designated as SiC-AC was studied as an adsorbent for xenon. The examination of textural properties of the SiC-AC adsorbent by nitrogen vapor adsorption measurements at 77 K, powder X-ray diffraction, and scanning electron microscopy revealed a relatively homogeneous microporous structure, a low content of heteroatoms, and an absence of evident transport macropores. The study of xenon adsorption and adsorption-induced deformation of the Si-AC adsorbent over the temperature range of 178 to 393 K and pressures up to 6 MPa disclosed the contraction of the material up to −0.01%, followed by its expansion up to 0.49%. The data on temperature-induced deformation of Si-AC measured within the 260 to 575 K range was approximated by a linear function with a thermal expansion factor of (3 ± 0.15) × 10−6 K−1. These findings of the SiC-AC non-inertness taken together with the non-ideality of an equilibrium xenon gaseous phase allowed us to make accurate calculations of the differential isosteric heats of adsorption, entropy, enthalpy, and heat capacity of the Xe/SiC-AC adsorption system from the experimental adsorption data over the temperature range from 178 to 393 K and pressures up to 6 MPa. The variations in the thermodynamic state functions of the Xe/SiC-AC adsorption system with temperature and amount of adsorbed Xe were attributed to the transitions in the state of the adsorbate in the micropores of SiC-AC from the bound state near the high-energy adsorption sites to the molecular associates.

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Section: Differential Molar Heat Of Absolute Xe Adsorption On the Sic-ac Carbon Adsorbentmentioning

confidence: 99%

Section: Differential Molar Heat Of Absolute Xe Adsorption On the Sic-ac Carbon Adsorbentmentioning

confidence: 99%

Section: Differential Molar Enthalpy Of Xe Adsorption On the Sic-ac Adsorbentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Peculiarities of Thermodynamic Behaviors of Xenon Adsorption on the Activated Carbon Prepared from Silicon Carbide

et al. 2021

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Real Life Application of Xenon: A Critical Review

Cited by 1 publication

References 32 publications

Peculiarities of Thermodynamic Behaviors of Xenon Adsorption on the Activated Carbon Prepared from Silicon Carbide

Peculiarities of Thermodynamic Behaviors of Xenon Adsorption on the Activated Carbon Prepared from Silicon Carbide

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